21318950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22441}}^1$

素因数の和:22472

約数の個数: 24

約数和(自身を含む): 41742120

約数和(自身を除く): 20423170

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 22441, 44882, 112205, 224410, 426379, 561025, 852758, 1122050, 2131895, 4263790, 10659475, 21318950]

約数ペア:

[(1, 21318950), (2, 10659475), (5, 4263790), (10, 2131895), (19, 1122050), (25, 852758), (38, 561025), (50, 426379), (95, 224410), (190, 112205), (475, 44882), (950, 22441)]